<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <script src="../js/vue.js"></script>
</head>

<body>
  <div id="app">
    <cpn2></cpn2>
  </div>

  <script>
    // 1.创建第一个组件构造器
    const cpnC1 = Vue.extend({
      template: `
        <div>
          <h2>我是标题1</h2>  
          <p>我是内容1111</p>
        </div>
      `
    })

    // 2.创建第二个组件构造器
    const cpnC2 = Vue.extend({
      template: `
        <div>
          <h2>我是标题2</h2>
          <p>我是内容2222</p>
          <cpn1></cpn1>
        </div>
        `,
      components: {
        cpn1: cpnC1
      }
    })


    //  root组件
    var vm = new Vue({
      el: '#app',
      data: {},
      methods: {},
      components: {
        cpn2: cpnC2
      }
    });
  </script>
</body>

</html>